When comparing Cube 2 (Sauerbraten) vs Shoot 'Em Up Kit, the Slant community recommends Shoot 'Em Up Kit for most people. In the question“What are the best 3D game engines?” Shoot 'Em Up Kit is ranked 55th while Cube 2 (Sauerbraten) is ranked 66th. The most important reason people chose Shoot 'Em Up Kit is:
Control NPC spawning position, frequency, maximum enemy active at once, and maximum enemies created by the generator.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Good map editor
Pro Multi-platform
Linux, Windows, OSX
Pro Fast and smooth
Graphics not resource intensive. Compared favorably to Unreal engine.
Pro Free
Available under an open source license
Pro NPC Generators
Control NPC spawning position, frequency, maximum enemy active at once, and maximum enemies created by the generator.
Pro Support for user-created HLSL shaders
Both model and post-process shaders.
Pro Great for shoot 'em ups
The name fits the functionality.
Cons
Con Not moddable
Con No tutorials, forums are "strange."
Con Not an actual engine
Con Lacking some details
No information on file formats or codecs in the manual.
Con Tutorials are too short and too old
The only real tutorial videos are 1 or 2 minutes long, and date from 2013.